A 6-year old, Greyhound bitch was presented with vaginal hemorrhage and dystocia. Physical examination revealedsevere vaginal hemorrhage, abdominal pain, pale mucous membranes and the presence of solid structures to abdominalpalpation. A hematological test revealed a marked hemorrhagic anemia, and abdominal radiography and ultrasonographicexamination showed two dead fetuses in the uterus. Median laparotomy revealed a rupture of the left uterine hornadjacent to the bifurcation, region of weakened uterine wall in the right uterine horn, blood clots and uterine fluids inabdominal cavity without septic peritonitis. The bitch underwent ovariohysterectomy and recovered without complication